Finding the Fourth Proportional to 17,742,305,375.36, 24,484,574,909.76 and 9,821,840,981.12
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Solution
The fourth proportional to 17,742,305,375.36, 24,484,574,909.76 and 9,821,840,981.12 is: 13,554,247,667.72
Step by Step Solution
- Step 1: Write the proportion equation
17,742,305,375.36 : 24,484,574,909.76 = 9,821,840,981.12 : x - Step 2: Convert to fraction form
17,742,305,375.36/24,484,574,909.76 = 9,821,840,981.12/x - Step 3: Cross multiply
17,742,305,375.36x = 24,484,574,909.76 × 9,821,840,981.12 - Step 4: Simplify right side
17,742,305,375.36x = 240,483,601,253,983,289,344 - Step 5: Solve for x
x = 240,483,601,253,983,289,344/17,742,305,375.36 - Step 6: Final answer
x = 13,554,247,667.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.